Home / 827,385-1,241,148.98-228,346.26

Finding the Fourth Proportional to 827,385, 1,241,148.98 and 228,346.26

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Solution

The fourth proportional to 827,385, 1,241,148.98 and 228,346.26 is: 342,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,385 : 1,241,148.98 = 228,346.26 : x
  2. Step 2: Convert to fraction form
    827,385/1,241,148.98 = 228,346.26/x
  3. Step 3: Cross multiply
    827,385x = 1,241,148.98 × 228,346.26
  4. Step 4: Simplify right side
    827,385x = 283,411,727,685.82
  5. Step 5: Solve for x
    x = 283,411,727,685.82/827,385
  6. Step 6: Final answer
    x = 342,539.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.